--- /dev/null 2019-01-15 13:37:59.148062718 +0100 +++ new/src/hotspot/cpu/arm/softfloat_arm.cpp 2019-01-15 17:16:01.034939849 +0100 @@ -0,0 +1,102 @@ +/* + * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifdef __SOFTFP__ + +// Soft float function declarations +extern "C" { + extern float __aeabi_fadd(float, float); + extern float __aeabi_fsub(float, float); + extern double __aeabi_dadd(double, double); + extern double __aeabi_dsub(double, double); + + extern float __aeabi_fadd_extlib(float, float); + extern float __aeabi_fsub_extlib(float, float); + extern double __aeabi_dadd_extlib(double, double); + extern double __aeabi_dsub_extlib(double, double); +}; + +#ifdef SOFTFLOAT_EXTERNAL + +extern "C" { +#include "softfloat.h" +} + +#include + +static float __aeabi_float_handling(float natA, float natB, bool add) { + float32_t libC; + + libC = add ? f32_add(reinterpret_cast(natA), reinterpret_cast(natB)) + : f32_sub(reinterpret_cast(natA), reinterpret_cast(natB)); + + return reinterpret_cast(libC); +} + +static double __aeabi_double_handling(double natA, double natB, bool add) { + float64_t libC; + + libC = add ? f64_add(reinterpret_cast(natA), reinterpret_cast(natB)) + : f64_sub(reinterpret_cast(natA), reinterpret_cast(natB)); + + return reinterpret_cast(libC); +} + +float __aeabi_fadd_extlib(float a, float b) { + return __aeabi_float_handling(a, b, true); +} + +float __aeabi_fsub_extlib(float a, float b) { + return __aeabi_float_handling(a, b, false); +} + +double __aeabi_dadd_extlib(double a, double b) { + return __aeabi_double_handling(a, b, true); +} + +double __aeabi_dsub_extlib(double a, double b) { + return __aeabi_double_handling(a, b, false); +} + +#else + +float __aeabi_fadd_extlib(float a, float b) { + return __aeabi_fadd(a, b); +} + +float __aeabi_fsub_extlib(float a, float b) { + return __aeabi_fsub(a, b); +} + +double __aeabi_dadd_extlib(double a, double b) { + return __aeabi_dadd(a, b); +} + +double __aeabi_dsub_extlib(double a, double b) { + return __aeabi_dsub(a, b); +} + +#endif + +#endif // __SOFTFP__